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The influence of rare earth mercaptoacetate on the initiation of corrosion on AA2024-T3 Part II: The influence of intermetallic compositions within heavily attacked sites

Catubig,R, Hughes,AE, Cole,IS, Chen,FF, MacRae,CM, Wilson,NC, Glenn,AM, Hinton,BRW and Forsyth,M 2015, The influence of rare earth mercaptoacetate on the initiation of corrosion on AA2024-T3 Part II: The influence of intermetallic compositions within heavily attacked sites, Corrosion science, pp. 1-11, doi: 10.1016/j.corsci.2015.01.055.

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Title The influence of rare earth mercaptoacetate on the initiation of corrosion on AA2024-T3 Part II: The influence of intermetallic compositions within heavily attacked sites
Author(s) Catubig,R
Hughes,AE
Cole,IS
Chen,FF
MacRae,CM
Wilson,NC
Glenn,AM
Hinton,BRW
Forsyth,MORCID iD for Forsyth,M orcid.org/0000-0002-4273-8105
Journal name Corrosion science
Start page 1
End page 11
Total pages 11
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015
ISSN 0010-938X
Keyword(s) A. Alloy
A. Aluminium
A. Rare earth elements
B. EPMA
C. Neutral inhibition
Summary Localised corrosion is typical on AA2024-T3 due to intermetallic particles embedded in the alloy. The effect of intermetallic compositions on corrosion are not yet fully understood. EPMA data on AA2024-T3 surfaces before and after a 16. min immersion, analyses the influence of intermetallic clustering on the severity attack at local sites. While sites with a high number of domains and a large S-phase surface area typically lead to severe attack, maximising these features did not always lead to severe corrosion attack. Cerium or praseodymium mercaptoacetate inhibited corrosion ring formation. The common trends observed from such attack sites was also discussed.
Language eng
DOI 10.1016/j.corsci.2015.01.055
Field of Research 030604 Electrochemistry
091207 Metals and Alloy Materials
Socio Economic Objective 870302 Metals (e.g. Composites, Coatings, Bonding)
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2015
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071678

Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Mon, 23 Mar 2015, 10:22:38 EST

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